you need to see a doctor
The twitch in your shoulder is just a twitch it does not hurt you at all:>
cutaneous muscle
French food.
summation
Probably a trapped nerve.
monique uglow
This is not a common cause of eyelid twitch if you'd like to see a list of causes and their treatments check the link below.
Drillling screws and nails into the chin, then rub in crazy glue. PRESTO! Cleft Chin
When a person is hit hard on the chin (button) it causes their brain to rattel which knocks them out.
Because they have a faster release of energy which causes them to slow down quicker. The twitch actually refers to the fatiguability of the fiber. So, fast twitch do produce more force, but tire 'fast'er than slow twitch, which are 'slow'er to fatigue Mark, BS Exercise Science
Often it is a mineral deficiency that causes the twitch - usually a magnesium deficiency.